Fulton’s index (or Fulton’s condition factor ) is given by K = 100(W/L3)
See Wikipedia
Number of time series
## Parameter
## country CD PB HG CB118 CB153 PA PYR
## Denmark 71 71 71 71 71 71 71
## Spain 42 42 42 42 42 42 42
## The Netherlands 3 3 3 3 3 3 3
Analyse trends
W.w. conc. trend vs. Fulton trend
- the x axis is the slope of the time trend of Fulton’s index
- the y axis is the slope of the time trend of w.w. concentration
Ww trend minus dw trend, vs. Fulton trend
- the x axis is the slope of the time trend of Fulton’s index
- the y axis is the difference in time trends (w.w. minus d.w.)
Ratio of Ww trend / dw trend, vs. Fulton trend
- the x axis is the slope of the time trend of Fulton’s index
- the y axis is the ratio of time trends (w.w. divided by d.w.)
More examples
In all plots,
* DRYWT = dry weight percentage
* Fultons = Fulton’s index
* Param Conc = Wet weight concentration
Negative trend in both w.w. concentration and Fulton’s index
CD at station MGACED



Negative trend in Fulton’s index, no trend in w.w. concentration
PB at station BOCHTVWTM



Negative trend in Fulton’s index, positive trend in w.w. concentration
CD at station NJY MSS11



Positive trend in Fulton’s index, negative trend in w.w. concentration
PB at station MGAPIN


